51573560 has 32 divisors (see below), whose sum is σ = 119180160. Its totient is φ = 20071296.

The previous prime is 51573559. The next prime is 51573593. The reversal of 51573560 is 6537515.

51573560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15944 + ... + 18903.

It is an arithmetic number, because the mean of its divisors is an integer number (3724380).

Almost surely, 2^51573560 is an apocalyptic number.

It is an amenable number.

51573560 is an abundant number, since it is smaller than the sum of its proper divisors (67606600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51573560 is a wasteful number, since it uses less digits than its factorization.

51573560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34895 (or 34891 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 51573560 is about 7181.4733864298. The cubic root of 51573560 is about 372.2279983592.

The spelling of 51573560 in words is "fifty-one million, five hundred seventy-three thousand, five hundred sixty".